大だい転てん子しMeanings1noungreater trochanteranatomyAnatomical term for the large bony prominence on the upper femur.大だい転てん子しは大だい腿たい骨こつの上じょう部ぶにある骨ほねの突とっ起きです。The greater trochanter is a bony prominence on the upper part of the femur.